Summit 1100 W DC power supply units must connect to a –48V source.
The DC power connection at your facility must be made by a qualified electrician, following these instructions.
Warning
Always make sure that the DC circuit is de-energized before connecting or disconnecting the DC power cables on the DC power supply.Caution
Provide proper connection and strain relief on the DC power cables in accordance with all local and national electrical codes.Leave the ESD strap permanently connected to the rack, so that the strap is always available when you need to handle ESD-sensitive components.
Connect network interface cables to the switch, using the instructions in Connect Network Interface Cables.